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If x/(x^(1. 5)\ )=8x^(-1) and x >0, then...

If `x/(x^(1. 5)\ )=8x^(-1)` and `x >0,` then `x=`
(a)`(sqrt(2))/4`
(b) `2sqrt(2)`
(c) 4
(d) 64

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RD SHARMA ENGLISH-EXPONENTS OF REAL NUMBER-All Questions
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  3. If x/(x^(1. 5)\ )=8x^(-1) and x >0, then x= (a)(sqrt(2))/4 (b) 2...

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  4. If g=t^(2/3)+\ 4t^(-1/2) , what is the value of g when t=64 ? ( a)...

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  5. If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2...

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  6. If 4^x-\ 4^(x-1)=24 , then (2x)^x equals (a)5sqrt(5) (b) sqrt(5) ...

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  9. Which one of the following is not equal to ((100)/9)^(-3/2) ? (a)\ (9/...

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  10. When simplified (256)^-(4^((-3//2)\ )) is (a) 8 (b) 1/8 (c...

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  11. 5 n+2 −6 xx 5 n+1/13 xx 5 n − 2 *5 n+1 is equal to

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  12. If a ,\ b ,\ c are positive real numbers, then sqrt(a^(-1)b)\ xx\ sqrt...

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  13. If (3^(2x-8))/(225)=(5^3)/(5^x) , then x= (a) 2 (b) 3 (c) 5 (d)...

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  14. If (2/3)^x\ \ (3/2)^(2x)=(81)/(16), . then x= (a) 2 (b) 3 (c) 4 ...

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  15. If a ,\ b ,\ c are positive real numbers, then root(5)(3125\ a^(10)b^5...

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  16. The value of 64^(-1/3)\ (64^(1/3)-64^(2/3)), is (a) 1 (b) 1/3 ...

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  17. If sqrt(5^n)=125 , then 5^(root(n)64 )= (a) 25 (b) 1/(125) ...

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